CN107526867A - A kind of processing method of steel tower auxiliary material - Google Patents
A kind of processing method of steel tower auxiliary material Download PDFInfo
- Publication number
- CN107526867A CN107526867A CN201710578963.3A CN201710578963A CN107526867A CN 107526867 A CN107526867 A CN 107526867A CN 201710578963 A CN201710578963 A CN 201710578963A CN 107526867 A CN107526867 A CN 107526867A
- Authority
- CN
- China
- Prior art keywords
- internal force
- auxiliary material
- component
- steel tower
- processing method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Wind Motors (AREA)
Abstract
The present invention disclose a kind of processing method of steel tower auxiliary material, its than conventional method closer to actual, it is more simple to operate than theory analysis, by result of calculation closer to truth under the precondition of the minimum complexity of increase.It includes：(1) each maximum internal force by dead-wood component under a variety of use conditions is calculated using Finite Element calculating instrument；(2) according to engineering design requirements, the prescribed percentage for the maximum internal force for being supported by component is loaded on supporting-point perpendicular to bar is supported by, model is built with this；(3) model is used into Finite Element, calculates influences of the supporting force P1 to support rod, obtain the internal force of support rod；(4) minimum gauge and bolt number needed according to the internal force obtain component calculated；(5) in result of calculation generation, is returned into model, it is accurate to determine optimization boundary condition；(6) judge whether result of calculation changes, be then jump procedure (1), otherwise perform step (7)；(7) optimize successfully, terminate.
Description
Technical field
The invention belongs to the technical field that steel tower in power circuit designs, and the processing of material is aided in more particularly to a kind of steel tower
Method.
Background technology
Steel tower aid in material calculating, final purpose be ensure auxiliary material have sufficient intensity branch endurance material normal work and from
Body most lightweight, so that structure is on the premise of design standard is met, economy as far as possible.
So-called auxiliary material, refer in the case where external force (power line, wind, ice etc.) acts on, in the structure not load or hardly
Load, mainly other components are played with the auxiliary type component of a supporting role.
Corresponding with auxiliary material is by dead-wood, and so-called by dead-wood is exactly load-carrying member in the structure under external force,
But its length is often longer, if do not processed, the rate of utilization of strength of component substantially reduces, and becomes stability contorting completely.Therefore
Need to introduce some additional members --- auxiliary material, it is done and splits, support so that shortened by the stability Calculation length of dead-wood,
It so can more fully utilize the intensity by dead-wood component.
Among traditional steel tower design, designer's often requirement in Reference Design technology proposed standard, allow each
Auxiliary material can independently play the supporting role to primary structure member, so calculate and necessarily relatively guard, because most feelings
Under condition, auxiliary material is all that cooperation play supporting role.
And on the other hand, in design and research institute, for each section on tower of auxiliary material arrangement form, it is likely to do very
Subtly Non-linear finite element analysis on stability, so as to obtain the very high result of calculation of accuracy.But such a mode complex operation and
Do not possess versatility, modelling is improper or parameter is improper is likely to cause result of calculation to deviate excessively.Therefore in actual life
It is among production and impracticable, it is only used for writing design specification.
Therefore, it is urgent to become designer for a kind of auxiliary material processing method of scientific and reasonable parameterisable programmable
Need.
The content of the invention
The technology of the present invention solves problem：A kind of overcome the deficiencies in the prior art, there is provided processing side of steel tower auxiliary material
Method, it is more closer than conventional method actual, more simple to operate than theory analysis, will in the case where increasing the precondition of minimum complexity
Result of calculation is closer to truth.
The present invention technical solution be：The processing method of this steel tower auxiliary material, it comprises the following steps：
(1) each most imperial palace by dead-wood component under a variety of use conditions is calculated using Finite Element calculating instrument
Power；
(2) according to engineering design requirements, by the prescribed percentage for the maximum internal force for being supported by component perpendicular to being supported by bar
It is loaded on supporting-point, model is built with this；
(3) model is used into Finite Element, calculates influences of the supporting force P1 to support rod, obtain the internal force of support rod；
(4) minimum gauge and bolt number needed according to the internal force obtain component calculated；
(5) in result of calculation generation, is returned into model, it is accurate to determine optimization boundary condition；
(6) judge whether result of calculation changes, be then jump procedure (1), otherwise perform step (7)；
(7) optimize successfully, terminate.
It is more independent than single member to consider close to showing because the present invention is considered the auxiliary material of correlation is excellent as one by Force system
Real stressing conditions；The outer force boundary condition use of system is supported by component maximum axle power percentage number, meets design standard, while
It is more simple and easy than the Nolinear Stabilization Analysis；Make full use of existing finite elements internal force analysis instrument, each stress analysis of member
Settle at one go, and do not influenceed by element arrangement；Therefore the present invention operates than conventional method closer to reality than theory analysis
Simply, in the case where increasing the precondition of minimum complexity by result of calculation closer to truth.
Brief description of the drawings
Fig. 1 is the flow chart according to the processing method of the steel tower auxiliary material of the present invention.
Fig. 2 is the schematic diagram of the component of the present invention.
Embodiment
As shown in figure 1, the processing method of this steel tower auxiliary material, it comprises the following steps：
(1) each most imperial palace by dead-wood component under a variety of use conditions is calculated using Finite Element calculating instrument
Power；
(2) according to engineering design requirements, by the prescribed percentage for the maximum internal force for being supported by component perpendicular to being supported by bar
It is loaded on supporting-point, model is built with this；
(3) model is used into Finite Element, calculates influences of the supporting force P1 to support rod, obtain the internal force of support rod；
(4) minimum gauge and bolt number needed according to the internal force obtain component calculated；
(5) in result of calculation generation, is returned into model, it is accurate to determine optimization boundary condition；
(6) judge whether result of calculation changes, be then jump procedure (1), otherwise perform step (7)；
(7) optimize successfully, terminate.
It is more independent than single member to consider close to showing because the present invention is considered the auxiliary material of correlation is excellent as one by Force system
Real stressing conditions；The outer force boundary condition use of system is supported by component maximum axle power percentage number, meets design standard, while
It is more simple and easy than the Nolinear Stabilization Analysis；Make full use of existing finite elements internal force analysis instrument, each stress analysis of member
Settle at one go, and do not influenceed by element arrangement；Therefore the present invention operates than conventional method closer to reality than theory analysis
Simply, in the case where increasing the precondition of minimum complexity by result of calculation closer to truth.
In addition, in the step (1), use condition includes：Strong wind that pole and tower design technical stipulation is specified, icing, injustice
Weighing apparatus tension force, these use conditions are installed.
In addition, in the step (2), if supporting force requirement is is supported by the 2% of component maximum internal force, then supporting force P1 is
1000 Ns.Required according to design standard, aid in material holding power be no less than its supporting main material internal force 2% while not
Less than the 5% of the oblique material internal force of its support.Here percentage is that designing institute uses finite Element Analysis a variety of different
Component arrangement form, the numerical value of the relatively safety drawn.It can be expressed as in simple terms：Two-force member (is solely subjected to pressure
Component) when being stressed, Stability in Plane constraint length, which is supporting force on the supporting-point, to be had with the ratio between member compression and definitely compares
Example relation, and available linearization is P>x*N.Wherein P represents minimum supporting force, and x represents percentage, and N is represented and is supported by the interior of rod member
Power.
In addition, in the step (3), the model that step (2) is built is output in common finite element calculation procedure and carried out
Internal force analysis calculate, and obtain the internal force of each auxiliary material, P1 points are supported as supporting member provided with two components, stress point
0.7 thousand Ns and 0.8 thousand Ns are not calculated to obtain.
In addition, in the step (4), the component internal force that is calculated according to step (3) is advised using pole and tower design technology
It is fixed, calculate component specification and component connects required respective bolt number.
In addition, in the step (5), optimization boundary condition includes：Steel tower weight and the area enhancement coefficient that keeps out the wind.
The present invention is described in detail with reference to embodiment.
Step 101, calculated using univesality disign method calculating instrument each by dead-wood component under a variety of use conditions
Maximum internal force.Such as Fig. 2, the component maximum internal force that invocation point 1 to point 11 are calculated in design is 50,000 Ns；
Step 102, according to design code or engine request, the prescribed percentage that will be supported by the maximum internal force of component is vertical
It is loaded into being supported by rod member on supporting-point.Such as figure, if supporting force requirement is to be supported by the 2% of component maximum internal force, then support
Power P1 power is then thousand Ns of 50*2%=1；
Step 103, model is used into existing Finite Element, calculates influences of the supporting force P1 to support rod, try to achieve branch
Hold the internal force of bar.Such as figure, it is respectively thousand Ns of 0.8/0.6 to try to achieve two support rod internal force, and in Traditional calculating methods, two components
It all must each undertake 1,000 Ns of power, hence it is evident that Traditional calculating methods can be too conservative；
Step 104, the minimum gauge and bolt number of component needs are tried to achieve according to the internal force calculated.
Step 105, in result of calculation generation, is returned into master mould, it is accurate to determine tower weight and its area enhancement coefficient that keeps out the wind, return to
101, until result of calculation does not change, then optimize successfully.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not made to the present invention, it is every according to
Any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still belong to the present invention
The protection domain of technical scheme.
Claims (6)
- A kind of 1. processing method of steel tower auxiliary material, it is characterised in that：It comprises the following steps：(1) each maximum internal force by dead-wood component under a variety of use conditions is calculated using Finite Element calculating instrument；(2) according to engineering design requirements, the prescribed percentage for the maximum internal force for being supported by component is loaded perpendicular to bar is supported by Onto supporting-point, model is built with this；(3) model is used into Finite Element, calculates influences of the supporting force P1 to support rod, obtain the internal force of support rod；(4) minimum gauge and bolt number needed according to the internal force obtain component calculated；(5) in result of calculation generation, is returned into model, it is accurate to determine optimization boundary condition；(6) judge whether result of calculation changes, be then jump procedure (1), otherwise perform step (7)；(7) optimize successfully, terminate.
- 2. the processing method of steel tower auxiliary material according to claim 1, it is characterised in that：In the step (1), bar is used Part includes：Strong wind that pole and tower design technical stipulation is specified, icing, unbalanced tensile force, these use conditions are installed.
- 3. the processing method of steel tower auxiliary material according to claim 2, it is characterised in that：In the step (2), if supporting Power requirement is is supported by the 2% of component maximum internal force, then supporting force P1 is 1,000 Ns.
- 4. the processing method of steel tower auxiliary material according to claim 3, it is characterised in that：In the step (3), by step (2) model of structure is output to progress internal force analysis calculating in common finite element calculation procedure, and obtains the internal force of each auxiliary material, P1 points are supported as supporting member provided with two components, stress calculates to obtain 0.7 thousand Ns and 0.8 thousand Ns respectively.
- 5. the processing method of steel tower auxiliary material according to claim 4, it is characterised in that：In the step (4), according to step Suddenly the component internal force that (3) are calculated, using pole and tower design technical stipulation, calculate component specification and component connects required phase Answer number of bolts.
- 6. the processing method of steel tower auxiliary material according to claim 5, it is characterised in that：In the step (5), optimize side Boundary's condition includes：Steel tower weight and the area enhancement coefficient that keeps out the wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578963.3A CN107526867A (en) | 2017-07-17 | 2017-07-17 | A kind of processing method of steel tower auxiliary material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578963.3A CN107526867A (en) | 2017-07-17 | 2017-07-17 | A kind of processing method of steel tower auxiliary material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107526867A true CN107526867A (en) | 2017-12-29 |
Family
ID=60748299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710578963.3A Pending CN107526867A (en) | 2017-07-17 | 2017-07-17 | A kind of processing method of steel tower auxiliary material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107526867A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109740239A (en) * | 2018-12-28 | 2019-05-10 | 南京紫泉电力设计咨询有限公司 | Steel tower based on Visual Lisp assists material design method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1838133A (en) * | 2006-04-27 | 2006-09-27 | 上海交通大学 | Concomitant engineering processing method in structure finite element computing |
| CN101859996B (en) * | 2010-05-25 | 2013-06-19 | 中国电力工程顾问集团中南电力设计院 | Method for iron tower anti-lead galloping of coupled system of iron tower, lead and anti-galloping device |
| CN105975654A (en) * | 2016-04-26 | 2016-09-28 | 中国电力科学研究院 | Method and apparatus for determining auxiliary material supporting force of power transmission tower |
-
2017
- 2017-07-17 CN CN201710578963.3A patent/CN107526867A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1838133A (en) * | 2006-04-27 | 2006-09-27 | 上海交通大学 | Concomitant engineering processing method in structure finite element computing |
| CN101859996B (en) * | 2010-05-25 | 2013-06-19 | 中国电力工程顾问集团中南电力设计院 | Method for iron tower anti-lead galloping of coupled system of iron tower, lead and anti-galloping device |
| CN105975654A (en) * | 2016-04-26 | 2016-09-28 | 中国电力科学研究院 | Method and apparatus for determining auxiliary material supporting force of power transmission tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109740239A (en) * | 2018-12-28 | 2019-05-10 | 南京紫泉电力设计咨询有限公司 | Steel tower based on Visual Lisp assists material design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111651924B (en) | Weight function-based surface crack stress intensity factor database establishment method | |
| CN103043225B (en) | A kind of power control for aircraft structure strength test and position control are in conjunction with loading system and method | |
| CN100386237C (en) | Automobile structure lightweighting design method based on structure intensity variation characteristic | |
| CN104063564B (en) | Method for selecting mounting points of transmission iron tower stress sensors based on finite element analysis | |
| CN105568864A (en) | Integrated algorithm for determining reasonable construction cable force of cable-stayed bridge | |
| CN107622174A (en) | Cable-stayed bridge cable stretching construction closed loop control method based on influence matrix amendment | |
| Ju et al. | Fatigue design of offshore wind turbine jacket-type structures using a parallel scheme | |
| CN101956476A (en) | Power characteristic-based power transmission tower structural failure early warning method | |
| CN106934112A (en) | The detection method of automobile suspension system fastener strength | |
| CN107391811A (en) | Steel truss bridge member checking method and system | |
| CN106570326A (en) | Calculating method for fatigue strength checking of L-type flange connecting bolt and device | |
| CN109056533B (en) | Method for determining bridge-forming cable force of cable cooperation system bridge | |
| CN110807221A (en) | Cable force calculation method based on equivalent force displacement method | |
| CN107526867A (en) | A kind of processing method of steel tower auxiliary material | |
| Chen et al. | Study of crankshaft strength based on iSIGHT platform and DOE methods | |
| CN103810308A (en) | CAE-based (computer aided engineering) truss optimized designing method | |
| CN104462725A (en) | Control arm lightweight optimization design method under stamping of veneer | |
| CN108509710A (en) | A kind of parallel double width bridge analysis on stability against static wind load method | |
| CN106326502A (en) | Computation method for static rigidity of support | |
| Tong et al. | Structural stability analysis for truss bridge | |
| CN116541970A (en) | Energy method-based compressor blade vibration reduction optimization design evaluation method | |
| CN109657312A (en) | Composite material wheel optimization method and device based on residual stress in injection molding | |
| CN108804755A (en) | Method by measuring the rigidity of the support construction to calibrate the model including main structure and at least one support construction | |
| Li et al. | Reliability and sensitivity analysis of bridge crane structure | |
| Andres et al. | Buckling of Concrete Shells: A Simplified Numerical Simulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |
|
| RJ01 | Rejection of invention patent application after publication |